CLF-C02 Cloud Technology and Services — All Questions With Answers

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A healthcare company needs to store patient medical records that must be retained for 10 years to comply with regulatory requirements. These records are accessed very rarely, only in the event of an audit or legal request. Which Amazon S3 storage class is the MOST cost-effective choice for this data?

Question 2mediummultiple choice

A company hosts a static website on Amazon S3. The website serves product images and documents to customers around the world. Users in distant regions report slow load times. The company wants to reduce latency for all users without changing the existing S3 bucket configuration. Which AWS service should the company use?

Question 3mediummultiple choice

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A company is developing a microservices application on AWS. The application includes a front-end web tier and a backend order processing service. The front-end sends order requests to the backend, which may take several seconds to process. The company wants to ensure that the front-end does not wait for the backend to complete, and that no orders are lost if the backend service is temporarily unavailable. Which AWS service should the company use to decouple the front-end and backend?

Question 4mediummultiple choice

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A development team is building a serverless application that processes image uploads to Amazon S3. The application needs to automatically generate a thumbnail version of each uploaded image and store it in a separate S3 bucket. The team wants to minimize operational overhead and only pay for the compute time used during thumbnail generation. Which AWS service should the team use to execute the thumbnail generation code in response to S3 upload events?

Question 5mediummultiple choice

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A company runs a web application on multiple Amazon EC2 instances that are behind an Application Load Balancer. The operations team wants to ensure that if any EC2 instance fails, a new instance is automatically launched to replace it and maintain a minimum number of running instances. Which AWS service should the company use to meet this requirement?

Question 6mediummultiple choice

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A company runs a multiplayer gaming application on Amazon EC2 instances in the us-east-1 Region. The application uses the UDP protocol for real-time communication between players and game servers. Players in Asia and Europe report high latency and packet loss. The company wants to improve performance by directing player traffic from the nearest edge location to the application over the AWS global network, without modifying the application code. Which AWS service should the company use?

Question 7mediummultiple choice

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A company runs a critical e-commerce application that uses an Amazon RDS for MySQL database deployed in a single Availability Zone. The company needs to ensure that the database remains available if the underlying hardware or the entire Availability Zone fails. The solution must provide automatic failover with minimal downtime and must not require any changes to the application's database connection string. Which Amazon RDS feature should the company use to meet these requirements?

Question 8mediummultiple choice

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A company runs a global e-commerce website hosted on Amazon EC2 instances in the us-west-2 Region. The website includes static assets (product images, CSS, JavaScript) and dynamic content generated by the application. The company wants to improve page load times for users in Europe and Asia by caching static content at edge locations, while also reducing the direct load on the EC2 instances. Which AWS service should the company use?

Question 9mediummultiple choice

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A company is refactoring its legacy application into a microservices architecture using Docker containers. The operations team wants to deploy and manage these containers on AWS without the need to provision, patch, or manage the underlying servers. The solution must automatically scale containers based on demand and integrate with services like Application Load Balancer and Amazon RDS. Which AWS compute service should the company use?

Question 10mediummultiple choice

A company's data analytics team needs to process log files immediately after they are uploaded to an Amazon S3 bucket. The processing logic is implemented as a custom Python script that runs for about 10 seconds per file. The team wants a fully managed solution that does not require provisioning or managing servers, automatically scales with the number of incoming log files, and executes the script only when new files are uploaded. Which AWS service should the team use to meet these requirements?

Question 11mediummultiple choice

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A company has a serverless architecture on AWS for its order processing system. The system uses AWS Lambda functions to validate payment, check inventory, update the database, and send email notifications. The company needs a managed service to coordinate these functions into a workflow, implement retry logic in case of failures, and manage the execution of each step sequentially. Which AWS service should the company use?

Question 12mediummultiple choice

A company stores product images in an Amazon S3 bucket. New images are accessed frequently for the first 30 days, but access drops sharply after that. The company wants to automatically optimize storage costs by moving data between access tiers without any manual intervention or upfront lifecycle policy setup. Which Amazon S3 storage class should the company use to meet these requirements?

Question 13mediummultiple choice

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A company hosts a web application on Amazon EC2 instances behind an Application Load Balancer (ALB) in the us-east-1 Region. The application serves users worldwide, and the company wants to optimize both performance and availability for all users. The solution should use the AWS global network to route traffic from users to the nearest edge location and then over the AWS backbone to the ALB, without caching content at edge locations. Which AWS service should the company use?

Question 14mediummultiple choice

A company runs its primary database on an Amazon RDS for MySQL DB instance in the us-east-1 Region. The company's disaster recovery policy requires that the database be recoverable in a different AWS Region within 1 hour of a region-wide failure, with a Recovery Point Objective (RPO) of less than 5 minutes and a Recovery Time Objective (RTO) of less than 1 hour. Which AWS feature should the company use to meet these requirements?

Question 15mediummultiple choice

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A company runs a latency-sensitive application on AWS that must communicate with an on-premises data center. The company requires a dedicated, private network connection that provides consistent, low-latency performance and bypasses the public internet. Which AWS service should the company use to meet these requirements?

Question 16mediummultiple choice

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A development team needs to deploy a web application on AWS quickly. The team wants a fully managed service that automatically handles capacity provisioning, load balancing, auto-scaling, and application health monitoring. The team does not want to manage the underlying Amazon EC2 instances or the application stack manually. Which AWS service should the team use?

Question 17mediummultiple choice

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A company is building a web application that requires a fully managed NoSQL database with single-digit millisecond latency at any scale. The application will experience unpredictable traffic spikes, and the database must automatically scale throughput capacity up and down without manual intervention. The developers want to focus on application code rather than database management tasks. Which AWS database service should the company choose?

Question 18mediummultiple choice

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A company hosts its primary web application on Amazon EC2 instances in the us-east-1 AWS Region. To meet disaster recovery requirements, the company has launched an identical set of EC2 instances in the eu-west-1 Region. The company wants to direct all user traffic to the us-east-1 endpoints under normal conditions. If us-east-1 becomes unhealthy due to a regional outage, traffic must be automatically redirected to the eu-west-1 endpoints. The company uses Amazon Route 53 as its DNS service. Which Route 53 routing policy should the company use to meet these requirements?

Question 19mediummultiple choice

A company runs a monolithic web application on Amazon EC2 that processes user-uploaded files synchronously. During peak hours, the application experiences slow response times because the file processing blocks the web server. The company wants to decouple the upload process from the file processing to improve responsiveness and allow each component to scale independently. The file processing backend must poll for new work and handle failures gracefully by retrying failed messages. Which AWS service should the company use to implement this decoupling?

Question 20mediummultiple choice

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A DevOps team needs to deploy a multi-tier web application on AWS. The application consists of Amazon EC2 instances, an Application Load Balancer, an Amazon RDS database, and security groups. The team wants to define all these resources in a single declarative template, automatically manage the creation order and dependencies, and version control the template for repeatable deployments. Which AWS service should the team use to meet these requirements?

Question 21mediummultiple choice

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A media company hosts its website on Amazon EC2 instances in the us-east-1 Region. Static assets such as images, CSS, and JavaScript files are stored in an Amazon S3 bucket. Users across the globe report slow page load times due to high latency when fetching these assets. The company wants to deliver the static content with low latency and high transfer speeds to users worldwide, reduce the load on the EC2 instances, and add protection against common DDoS attacks. Which AWS service should the company use?

Question 22mediummultiple choice

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A development team is building a serverless image processing application. When a user uploads an image to Amazon S3, the application must perform three sequential steps: first, resize the image; second, generate a thumbnail; third, store metadata in Amazon DynamoDB. The team wants to define this workflow as a visual state machine, handle errors with retries, and manage the execution flow without writing custom orchestration code. Which AWS service should the team use?

Question 23mediummultiple choice

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A company uses Amazon S3 to store raw data files for a data analytics platform. The company requires that files remain immediately accessible for the first 30 days after upload. After 30 days, files must be automatically moved to a lower-cost storage class for archival access. After 7 years, files must be automatically deleted. The company wants to implement this data management strategy with minimal ongoing effort. Which AWS S3 feature should the company use?

Question 24mediummultiple choice

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A company is developing a mobile application backend. The backend needs to process REST API requests that are triggered by user actions in the app. Usage is expected to start low but may spike unpredictably. The development team wants to focus solely on writing code and does not want to manage any servers or containers. The team also wants to only pay for compute time when requests are being processed. Which AWS service should the team use to meet these requirements?

Question 25mediummultiple choice

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A company runs a critical web application on Amazon EC2 instances in the us-east-1 Region, with a secondary standby deployment in us-west-2 for disaster recovery. The application requires that user traffic be directed to the nearest healthy endpoint, automatically failover to the secondary region if the primary region becomes unavailable, and the company needs two static IP addresses that remain fixed regardless of infrastructure changes. The application uses TCP and UDP protocols. Which AWS service should the company use to meet these requirements?

Question 26mediummultiple choice

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A company runs hundreds of Amazon EC2 instances for its application. The operations team manually reviews instance utilization metrics once a month to identify instances that are over-provisioned (e.g., using only 10% of CPU) or under-provisioned. They want to automate this analysis and receive rightsizing recommendations to optimize costs and performance. The solution must be natively provided by AWS and must use historical utilization data to generate recommendations. Which AWS service should the company use?

Question 27mediummultiple choice

A company hosts a file-sharing platform on Amazon S3. The application bucket is in the us-west-2 (Oregon) Region. Users in Europe and Asia experience slow upload speeds when transferring large files. The company wants to improve upload performance by using AWS edge locations to accelerate data transfers to the bucket. The solution must work with standard S3 PUT operations and require minimal application changes. Which AWS feature should the company enable?

Question 28mediummultiple choice

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A company is developing a real-time multiplayer game that requires extremely low latency (under 10ms) for player interactions. The game will be accessed by mobile users on 5G networks in select metropolitan areas. The company wants to run the game server logic as close to the users as possible, leveraging the low latency of 5G and avoiding the round trip to an AWS Region. Which AWS service should the company use to deploy the game server compute at the edge of the 5G network?

Question 29mediummultiple choice

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A company is building a global e-commerce application that requires a database with single-digit millisecond latency, seamless scaling to handle millions of requests per second, and the ability to replicate data across multiple AWS Regions for disaster recovery and low-latency reads. The database must be fully managed with automatic backup and restores. Which AWS service should the company choose?

Question 30mediummultiple choice

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A media company runs a video-on-demand platform on AWS. Video files (.mp4) and thumbnail images (.jpg) are stored in the same Amazon S3 bucket. The company uses Amazon CloudFront to deliver content to users globally. The video files are large and do not change frequently, so the company wants them to be cached at CloudFront edge locations for 30 days. Thumbnails change more often when new uploads are processed, so the company wants them to be cached for only 1 day. The company wants a single CloudFront distribution to serve both types of content from the same S3 bucket. Which configuration should the company use to meet these requirements with minimal operational overhead?

Question 31mediummultiple choice

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A company generates large log files from its application and stores them in an Amazon S3 bucket. During the first 30 days, logs are frequently accessed for troubleshooting. After 30 days, logs are accessed infrequently (a few times per month). After 90 days, logs are rarely accessed but must be retained for compliance for one year, with retrieval possible within minutes if needed. The company wants to minimize storage costs while meeting these access and retention requirements. Which S3 feature should the company configure?

Question 32mediummultiple choice

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A media company processes user-uploaded images. When a user uploads a high-resolution image to an Amazon S3 bucket, the company must automatically generate three resized thumbnail versions (small, medium, large) within seconds. The company wants a solution that requires no infrastructure management and scales automatically to handle thousands of concurrent uploads. Which AWS service should the company use to execute the thumbnail generation code?

Question 33mediummultiple choice

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A company uses three separate AWS accounts for development, testing, and production workloads. The security team needs to enforce a policy that prevents users in any account from disabling AWS CloudTrail or deleting CloudTrail log files. The team also wants to consolidate billing and have a single payment method for all accounts. Which AWS service should the security team use to meet these requirements?

Question 34mediummultiple choice

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A global e-commerce company stores product images and videos in an Amazon S3 bucket located in the us-west-2 Region. Customers worldwide report slow page load times. The company also wants to protect its website against common distributed denial-of-service (DDoS) attacks without incurring additional costs for a dedicated DDoS protection service. Which AWS service should the company use to meet both requirements?

Question 35mediummultiple choice

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A manufacturing company collects sensor data from thousands of IoT devices every second. The data includes temperature, pressure, and vibration readings. The company needs to store this time-series data and perform real-time queries to detect anomalies, as well as run historical analysis. The data volume is extremely high and will grow continuously. The company wants a fully managed, serverless solution that can automatically scale to handle the data volume and provide built-in analytics functions for time-series. Which AWS service should the company use?

Question 36mediummultiple choice

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A company runs a global gaming application on Amazon EC2 instances behind an Application Load Balancer in the us-east-1 Region. Players in Europe and Asia report high latency and intermittent connection drops. The company wants to improve the application's performance for global users by routing traffic over the AWS global network. The company also needs two static IP addresses that users can whitelist in their firewalls for consistent access, and the solution must provide health checks to automatically route traffic away from unhealthy endpoints. Which AWS service should the company use?

Question 37mediummultiple choice

A company manages a web application that consists of Amazon EC2 instances, an Amazon RDS database, and an Amazon S3 bucket. The team deploys the application to separate development, test, and production environments. Currently, the team manually configures each environment, which has led to configuration drift and deployment errors. The company wants to define the entire infrastructure as code, store the definition in a version control system, and deploy it consistently across all environments with a single template. Which AWS service should the company use to meet these requirements?

Question 38mediummultiple choice

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A company operates a global e-commerce website with static assets (product images, CSS, JavaScript) stored in an Amazon S3 bucket. Users in different geographic regions report slow page load times. The company wants to reduce latency without rearchitecting the application or moving the S3 bucket. Which AWS service should the company use to distribute the static assets closer to users?

Question 39mediummultiple choice

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A company runs a web application that allows users to upload images. After each upload, the application must perform several background processing tasks (e.g., resizing, generating thumbnails) that take up to 30 seconds each. Users should receive an immediate response and the processing should continue asynchronously. The company wants a solution that scales automatically with the number of uploads and requires no server management. Which AWS service should the company use to run these background processing tasks?

Question 40mediummultiple choice

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A development team needs to deploy a web application on AWS. They want to avoid managing the underlying infrastructure, such as EC2 instances and load balancers, but still need the ability to control scaling, update the application code, and perform rollbacks. The application must scale automatically based on demand and remain highly available. Which AWS service should the team use?

Question 41mediummultiple choice

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A company is building a real-time chat application that relies on long-lived WebSocket connections between clients and backend servers. The application runs on Amazon EC2 instances across multiple Availability Zones. The company needs a load balancer that can distribute incoming WebSocket traffic while preserving the connection and supporting sticky sessions. Which AWS load balancing solution should the company use?

Question 42mediummultiple choice

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A company is developing a microservices-based application using Docker containers. The development team wants to run these containers on AWS without having to provision or manage any servers. The solution must automatically scale the containers based on demand and integrate with an Application Load Balancer for traffic distribution. Which AWS service should the team use to meet these requirements?

Question 43mediummultiple choice

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A company is deploying a multi-tier web application that includes a VPC, subnets, security groups, EC2 instances, and an Application Load Balancer. The team needs to define the entire infrastructure in a version-controlled template so that it can be consistently deployed across development, test, and production environments with minimal manual effort. Which AWS service should the team use to meet this requirement?

Question 44mediummultiple choice

A company is migrating a legacy on-premises application to AWS. The application requires a shared file system that can be mounted by multiple Amazon EC2 instances concurrently. The EC2 instances run Amazon Linux and are deployed across multiple Availability Zones for high availability. The file system must grow and shrink automatically as files are added or removed, and the company wants to avoid provisioning storage capacity in advance. Which AWS service should the company use to meet these requirements?

Question 45mediummultiple choice

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A company runs a microservices application on AWS. It needs to send real-time alerts to mobile devices via push notifications and to administrators via email whenever a critical event occurs. The solution must be a fully managed service that supports both delivery channels without requiring separate infrastructure for each. Which AWS service should the company use?

Question 46mediummultiple choice

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A company has a web application that processes customer orders. The frontend web servers run on Amazon EC2 instances and receive order requests from users. The backend order processing system runs on a separate fleet of EC2 instances. The company wants to decouple these two tiers so that order requests are stored reliably until the backend is ready to process them. The solution must handle occasional traffic spikes without losing any messages and must allow the backend to scale independently. Which AWS service should the company use to meet these requirements?

Question 47mediummultiple choice

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A company runs a multi-region application on AWS with separate VPCs in us-east-1 and eu-west-1. The company also has an on-premises data center connected to AWS via AWS Direct Connect. The network team wants to simplify the routing topology so that traffic between all VPCs and the on-premises network flows through a central hub. They need a service that can manage many VPC attachments and provide transitive routing across all connected networks. Which AWS service should the network team use?

Question 48mediummultiple choice

A company is developing a web application that uses Node.js, Express, and a MySQL database. The development team wants to deploy the application to AWS without manually configuring Amazon EC2 instances, load balancers, or Auto Scaling groups. They want AWS to automatically manage the underlying infrastructure, monitor application health, and allow them to deploy new versions by simply uploading a zip file. Which AWS service should the team use to meet these requirements?

Question 49mediummultiple choice

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A company has a web application deployed on AWS in the us-west-2 Region. The application is accessed by users across the globe, including Europe, Asia, and South America. The company wants to improve the application's performance for international users by reducing latency and packet loss. The solution must route user traffic over the AWS global network to the closest edge location. Which AWS service should the company use?

Question 50mediummultiple choice

A company runs a batch processing application in Docker containers. The application runs for several hours at a time and requires significant CPU and memory resources. The company wants to run these containers on AWS without provisioning or managing any underlying EC2 instances or cluster capacity. They need a service that automatically scales based on demand and charges only for the resources consumed by the containers. Which AWS service should the company use?

Question 51mediummultiple choice

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A company has a mobile application that allows users to upload profile photos. When a new photo is uploaded to an Amazon S3 bucket, the application must automatically create a thumbnail version and store it in another S3 bucket. The company wants a solution that runs only when needed, scales automatically, and requires no management of underlying servers. Which AWS service should the company use to meet these requirements?

Question 52mediummultiple choice

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A company is building a serverless order-processing application. The workflow consists of several steps that must run in a defined order: validate the order, check inventory, process payment, and then update the database. Some steps, such as shipping notification and invoice generation, can run in parallel after payment is confirmed. The company needs a managed service to orchestrate these steps, automatically handle retries if a step fails, and provide a visual representation of the workflow's execution state. Which AWS service should the company use?

Question 53mediummultiple choice

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A company is planning to deploy a multi-tier web application on AWS. The architecture includes Amazon EC2 instances, an Application Load Balancer, an Amazon RDS database, and security groups. The company wants to define and provision these resources as reusable, version-controlled infrastructure so they can consistently deploy the same environment to development, testing, and production accounts. The solution should allow the team to use JSON or YAML templates to describe the resources and their dependencies. Which AWS service should the company use?

Question 54mediummultiple choice

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A company runs a web application behind an Application Load Balancer (ALB). The security team wants to protect the application from common web exploits such as SQL injection and cross-site scripting (XSS). They need a managed service that allows them to create custom rules to filter malicious HTTP traffic and integrates directly with the ALB and Amazon CloudFront. Which AWS service should the security team configure?

Question 55mediummultiple choice

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A company has 50 TB of on-premises file server data that must be transferred to Amazon S3. The company's internet connection is limited to 100 Mbps, and the data transfer must not impact daily business operations. The company needs a physical device to securely copy the data and then ship it to AWS for ingestion. Which AWS service should the company use?

Question 56mediummultiple choice

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A company's development team has written a Python web application using the Flask framework. The team wants to deploy the application to the AWS Cloud without managing the underlying servers, operating system, or web server software. They want AWS to automatically handle the deployment, from provisioning EC2 instances to configuring the web server and load balancer, and to scale the application based on traffic. They also want the ability to upload new code versions directly from their Git repository. Which AWS service should the team use?

Question 57mediummultiple choice

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A company stores historical sales data in Amazon S3. The data is accessed only once a month for generating quarterly reports. When accessed, the data must be available for retrieval within seconds. The company wants to minimize storage costs while meeting the retrieval latency requirement. Which S3 storage class should the company use?

Question 58mediummultiple choice

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A company has a two-tier web application. The front-end web servers run on Amazon EC2 instances in a public subnet. The back-end application servers process jobs that are submitted by the front end. The company wants to decouple the front-end and back-end tiers so that the back-end servers can process jobs as they are submitted, even if the front-end servers experience a spike in traffic. The solution must be durable and fully managed, and must allow the front-end servers to send job requests without waiting for the back-end servers to be available. Which AWS service should the company use to send the job requests from the front end to the back end?

Question 59mediummultiple choice

A company hosts an e-commerce website on Amazon EC2 instances in the us-east-1 Region. The website serves static assets (images, CSS, and JavaScript) to a global user base. Users in Europe and Asia report slow page load times. The company needs to improve the performance of delivering these static assets to all users without modifying the application code or provisioning additional origin servers. Which AWS service should the company use?

Question 60mediummultiple choice

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A company has a web application that processes user-uploaded images. When a user uploads an image, the application needs to resize the image into multiple formats (thumbnail, medium, large). The company wants to avoid managing servers and wants the image processing to execute only when a new image is uploaded. The solution must automatically scale to handle thousands of concurrent uploads. Which AWS service should the company use to perform the image processing?

Question 61mediummultiple choice

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A company runs a read-heavy web application that retrieves the same product catalog data from an Amazon RDS database hundreds of times per second. The database is experiencing high CPU utilization due to repeated reads of the same information. The company wants to reduce the load on the database and improve application response time without modifying the application code or adding more database capacity. The solution must be fully managed and provide a low-latency, in-memory cache for frequently accessed data. Which AWS service should the company use?

Question 62mediummultiple choice

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A company is deploying a new web application on AWS. The operations team needs to provision and manage AWS resources such as Amazon EC2 instances, Amazon RDS databases, and Amazon S3 buckets in a repeatable, consistent manner across development, test, and production environments. The team wants to define the entire infrastructure as code using declarative templates that can be version-controlled and reviewed. Which AWS service should the team use to meet this requirement?

Question 63mediummultiple choice

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A company runs a multiplayer gaming application on AWS. The application uses UDP for real-time communication between players. Players in different geographic regions report high latency and connection instability. The company wants to improve performance by directing user traffic to the nearest healthy application endpoint and using a static IP address for the application. Which AWS service should the company use to meet these requirements?

Question 64mediummultiple choice

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A company runs a web application on multiple Amazon EC2 instances across two Availability Zones. The application processes user-uploaded documents and must store them in a shared file system that all instances can access simultaneously. The file system must be scalable to petabytes, durable, and fully managed. Which AWS service should the company use to meet these requirements?

Question 65mediummultiple choice

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A company has 50 TB of historical data stored on on-premises network-attached storage (NAS). The company wants to transfer this data to Amazon S3. The internet connection provides only 10 Mbps upload speed, and the company wants to complete the transfer within 2 weeks. The data is not sensitive and does not require encryption during transfer. Which AWS service should the company use to meet these requirements?

Question 66mediummultiple choice

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A company is building a microservices application on AWS. The application consists of multiple independent services that need to communicate asynchronously. When an order is placed, the order service must send a notification to the inventory service, the shipping service, and the analytics service simultaneously. The company wants a fully managed, durable, and scalable messaging service that supports a fan-out pattern where a single message can be delivered to multiple subscribers. Which AWS service should the company use to meet these requirements?

Question 67mediummultiple choice

A company runs a data processing job once per month. The job takes approximately 3 hours to complete when run on a single server. The company wants to minimize operational overhead and pay only for the compute time used during the job. The job does not require user interaction and must be able to automatically retry if a task fails. Which AWS service should the company use?

Question 68mediummultiple choice

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A company runs a customer relationship management (CRM) application on a single Amazon RDS for PostgreSQL instance. The application experiences heavy read traffic during business hours, often causing the primary database to become overloaded with SELECT queries. The company needs a solution that offloads read queries to a separate database endpoint and provides automatic failover to a standby database in a different Availability Zone if the primary fails. Which combination of Amazon RDS features should the company use to meet these requirements?

Question 69mediummultiple choice

A company runs multiple workloads in separate Amazon VPCs within the same AWS Region. The networking team needs to enable connectivity between all VPCs using private IP addresses. Additionally, the team must connect all VPCs to the company's on-premises data center through a single AWS Site-to-Site VPN connection to minimize costs and simplify management. The solution must support transitive routing so that any VPC can communicate with any other VPC and with the on-premises network. Which AWS service should the networking team use to meet these requirements?

Question 70mediummultiple choice

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A company has a serverless application built with AWS Lambda. The application requires a series of functions to run in a specific order: after a user uploads a file, a validation function must run, then a processing function, and finally a metadata storage function. The company needs a service to coordinate these steps, manage state, handle errors, and automatically retry failed functions based on defined conditions. Which AWS service should the company use to meet these requirements?

Question 71easymultiple choice

A company collects sensor data from IoT devices and stores the data in Amazon S3. For the first 90 days, the data is accessed frequently for real-time analysis. After 90 days, the data is rarely accessed but must be retrievable within 24 hours for compliance audits. After 365 days, the data must be retained for legal purposes but can be deleted after 7 years. Which S3 storage class should the company use for the data from day 91 to day 365 to minimize storage costs while meeting the retrieval time requirement?

Question 72mediummultiple choice

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A company runs an e-commerce application on Amazon EC2 instances in the us-east-1 Region. The application serves static assets (images, CSS files) and dynamic API responses. Users in Europe and Asia report that the website loads slowly, especially for images. The company needs a solution that reduces latency for both static and dynamic content by caching static assets at edge locations and accelerating dynamic API calls using optimized network paths. Which AWS service should the company use?

Question 73mediummultiple choice

A company runs a real-time bidding platform for online advertising. The platform requires a database that can handle millions of requests per second with single-digit millisecond latency for both reads and writes. The data model is simple key-value pairs, and the database must be fully managed so that the company does not have to provision or maintain servers. Which AWS database service should the company use to meet these requirements?

Question 74mediummultiple choice

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A company runs an e-commerce web application on Amazon EC2 instances. During flash sales, the backend order processing service becomes overloaded and drops requests, causing customer failures. The company needs a durable, scalable, and fully managed service to buffer incoming order requests and decouple the web tier from the backend processing tier. Orders must be stored reliably and processed in the order they were received. Which AWS service should the company use?

Question 75mediummultiple choice

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A media processing company runs multiple Amazon EC2 instances in different Availability Zones. All instances need to read and write to a shared file system simultaneously. The file system must be fully managed, automatically replicated across multiple Availability Zones for durability, and accessible by all instances using standard file access protocols. The company does not want to provision or manage any file servers. Which AWS service should the company use to meet these requirements?

Question 76mediummultiple choice

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A company's IT team manually provisions S3 buckets, EC2 instances, security groups, and IAM roles for each new project using the AWS Management Console. This process often results in configuration errors, such as overly permissive security rules or incorrect tagging, which the security team then has to fix manually. The company wants to define its entire infrastructure in a declarative template file, store it in version control, and have AWS automatically create or update the resources based on that template. Which AWS service should the company use to meet these requirements?

Question 77mediummultiple choice

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A media production company has a physical studio in Atlanta, Georgia. The company runs video editing workloads on Amazon EC2 instances that require single-digit millisecond latency to the studio's on-premises storage and workstations. The company wants to use AWS infrastructure that is physically located in or very near Atlanta to achieve this latency, while still having full access to AWS services like EC2, EBS, and VPC. The company does not want to manage the underlying hardware. Which AWS infrastructure option should the company use?

Question 78mediummultiple choice

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A company hosts its website on a single Amazon EC2 instance in the us-east-1 Region. The website includes static assets such as images, CSS, and JavaScript files. Users in Europe and Asia report that the website loads slowly because the static assets must travel from the us-east-1 Region. The company wants to reduce latency for global users and decrease the load on the EC2 instance by serving static content from locations that are closer to the users. Which AWS service should the company use to meet these requirements?

Question 79mediummultiple choice

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A company runs a containerized application that uses multiple Docker containers. The development team wants to run these containers on AWS without provisioning or managing any EC2 instances. They also do not want to manage the container orchestration control plane. The application requires consistent access to persistent storage volumes that can be attached to containers. Which AWS service should the team use to run the containers with the least operational overhead?

Question 80mediummultiple choice

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A company uses AWS CloudFormation to define and manage its production infrastructure as code. The operations team wants to ensure that any proposed changes to the stack are reviewed and explicitly approved before being applied. Which AWS CloudFormation feature should the company use?

Question 81mediummultiple choice

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A development team is migrating a monolithic application to a microservices architecture. Each microservice will run in a separate container. The team wants to deploy and scale these containers without managing any underlying servers or clusters. The team also wants to pay only for the vCPU and memory resources consumed by each container, not for any idle capacity. Which AWS compute service should the team use?

Question 82mediummultiple choice

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A financial analytics company runs a mission-critical application in its on-premises data center. The application must replicate large volumes of market data to Amazon S3 in real time. The company requires a dedicated, private network connection with consistent low latency and high throughput. The connection must not traverse the public internet. Which AWS service should the company use to meet these requirements?

Question 83mediummultiple choice

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A company runs a web application on Amazon EC2 instances behind an Application Load Balancer (ALB). The application normally handles 1,000 requests per second, but occasionally experiences unpredictable spikes of up to 10,000 requests per second for a few minutes. The Auto Scaling group is configured with a maximum capacity of 2,000 instances, which is insufficient to handle the spikes. The company must ensure that no requests are lost during these spikes without requiring manual scaling. Which solution should the company implement?

Question 84mediummultiple choice

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A company runs a web application that accepts customer orders. During peak hours, the order processing component often becomes overloaded, causing orders to be dropped. The company wants to ensure that every order is reliably stored and processed, and that the web tier and the processing tier can scale independently without losing data. Which AWS service should the company use to decouple the application components and provide a durable buffer for incoming orders?

Question 85mediummultiple choice

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A media company processes user-uploaded images to generate thumbnails and metadata. The current solution runs a script on a single Amazon EC2 instance, which becomes overloaded during peak hours, causing delays. The company wants a solution that automatically scales to handle spikes in upload volume, requires no server management, and charges only for the processing time consumed. Which AWS service should the company use?

Question 86mediummultiple choice

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A startup is building a Node.js web application. The development team has limited DevOps experience and wants to focus on writing code. They need a managed platform that automatically deploys their application code, provisions the necessary AWS resources (such as EC2 instances, a load balancer, and Auto Scaling), and handles health monitoring and scaling. However, they want the ability to later customize the underlying EC2 instances and configure environment variables without switching to a different compute service. Which AWS service should the startup use?

Question 87mediummultiple choice

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A media company produces video content and stores all videos in Amazon S3. New videos are accessed frequently for the first 30 days after release. After that, access drops significantly, but the company must retain all videos for 5 years for archival purposes. The company wants to minimize storage costs without compromising retrieval speed for the frequently accessed period. Which S3 storage class strategy should the company implement?

Question 88mediummultiple choice

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A company needs to run a data processing job that typically takes 2 hours to complete. The job is stateless and can be parallelized across multiple workers. The company wants to minimize operational overhead and only pay for the compute time consumed. The job runs only once a month. Which AWS compute service should the company use?

Question 89mediummultiple choice

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A company wants to automate the deployment of its infrastructure across multiple AWS environments (development, staging, production). The operations team needs to define all AWS resources (such as Amazon EC2 instances, security groups, and load balancers) in a declarative JSON or YAML template. They want to version control these templates, quickly replicate the entire infrastructure in a new region, and ensure that each deployment is consistent and repeatable. Which AWS service should the company use to achieve this?

Question 90mediummultiple choice

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A company hosts a web application on an Application Load Balancer in the us-east-1 AWS Region. Users are distributed across North America, Europe, and Asia. The company wants to improve application performance and availability for global users by using the AWS global network. The solution must provide two static anycast IP addresses that do not change over time and automatically route incoming traffic to the nearest healthy endpoint in the region. Which AWS service should the company use?

Question 91mediummultiple choice

A mobile gaming company is developing a real-time multiplayer game that requires ultra-low latency (under 10 milliseconds) for player interactions. The company expects most of its users to be on 5G mobile networks. To meet the latency requirement, the company needs to deploy compute and storage resources as close as possible to the mobile subscribers, directly at the edge of the telecommunications network. Which AWS service should the company use?

Question 92mediummultiple choice

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A company is developing a microservices application on AWS. The application has multiple independent services that must communicate asynchronously. The company needs a fully managed service to reliably store and deliver messages between these services, ensuring that each message is processed at least once and allowing the services to scale independently. Which AWS service should the company use?

Question 93mediummultiple choice

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An e-commerce company runs a MySQL database on-premises to support its transactional workload. The company plans to migrate this database to AWS to reduce operational overhead. The company requires a fully managed database solution that automatically replicates data across multiple Availability Zones to provide failover in the event of an Availability Zone failure. The company does not want to manage database patching, backup scheduling, or replication. Which AWS service should the company use to meet these requirements?

Question 94mediummultiple choice

A company is building a serverless web application using AWS Lambda for compute. The application needs to expose RESTful API endpoints that allow users to perform CRUD operations on a database. The API must support authentication using API keys, throttle requests to prevent abuse, and validate incoming request payloads before they reach the Lambda functions. The company wants a fully managed service that handles these API management tasks and integrates directly with AWS Lambda. Which AWS service should the company use?

Question 95mediummultiple choice

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A company plans to deploy a multi-tier web application on AWS. The architecture includes Amazon EC2 instances for the web and application tiers, an Application Load Balancer for traffic distribution, and an Amazon RDS database for the data tier. The company wants to automate the provisioning and configuration of all these AWS resources in a repeatable and predictable manner. The solution should allow the infrastructure definition to be stored in a version control system and be used to create identical environments for development, testing, and production with minimal manual effort. Which AWS service should the company use to define and manage the infrastructure as code?

Question 96mediummultiple choice

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A company runs a legacy on-premises file server that stores 10 TB of shared documents used by a team of 50 employees. The company wants to migrate this data to Amazon S3 to benefit from durable, scalable storage. However, the team requires low-latency access to frequently used files (less than 5 milliseconds latency) because the application reads and writes files multiple times per second. The company also wants to maintain a local cache of recently accessed files on premises to reduce latency and minimize egress costs. The entire solution should be managed through the AWS Management Console and support standard file-sharing protocols like SMB. Which AWS service should the company use to meet these requirements?

Question 97mediummultiple choice

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A company runs a large fleet of Amazon EC2 instances across multiple environments (development, test, production). The security team requires a centralized, automated solution to apply operating system security patches on a regular schedule (e.g., every Tuesday at 2 AM). The solution must generate compliance reports showing which instances are patched and which are missing patches. The company wants a managed AWS service that works without requiring SSH or RDP access to the instances and does not require installing any custom agents. Which AWS service should the company use to meet these requirements?

Question 98mediummultiple choice

A company hosts an e-commerce website on Amazon EC2 instances behind an Application Load Balancer in the us-east-1 Region. The website includes both static assets (product images, CSS files) and dynamic content (user-specific cart data). The company has customers all over the world who complain about slow page load times. The company wants to reduce latency by caching static content closer to users while still allowing dynamic requests to reach the origin. Which AWS service should the company use to meet these requirements?

Question 99mediummultiple choice

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A company runs a monolithic order processing application on a single Amazon EC2 instance. During peak hours, the instance receives a sudden burst of orders that exceeds its processing capacity. Orders are dropped and customers do not receive confirmations. The company needs a solution that buffers incoming orders, stores them durably, and allows the application to process them at a manageable pace. The solution must be fully managed and ensure that no orders are lost. Which AWS service should the company use to meet these requirements?

Question 100mediummultiple choice

A company hosts a web application on Amazon EC2 instances in two AWS Regions: us-east-1 and eu-west-1. The application serves a global user base. The company wants to improve performance by directing users to the nearest healthy regional endpoint with minimal latency. Additionally, the company requires two static Anycast IP addresses that remain constant, representing the application entry point. The solution should automatically reroute traffic if a regional endpoint becomes unhealthy. Which AWS service should the company use?

Question 101mediummultiple choice

A company is developing a mobile application that requires a database to store user session data and preferences. The data is accessed very frequently with low-latency requirements, and the access patterns are unpredictable – the application experiences sudden spikes in read and write traffic. The company wants a fully managed database service that automatically scales to handle the workload, requires no patching or server administration, and charges based on the throughput consumed rather than on provisioned capacity. Which AWS service meets these requirements?

Question 102mediummultiple choice

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A company is migrating its on-premises infrastructure to AWS. The operations team needs a managed service that allows them to define their entire cloud environment—including VPCs, subnets, EC2 instances, and RDS databases—as a reusable template stored in version control. The service must automatically handle resource dependencies, such as creating the database before launching the application servers, and ensure that the infrastructure is provisioned consistently across multiple environments (e.g., development, staging, production). Which AWS service should the company use to meet these requirements?

Question 103mediummultiple choice

A company is developing a REST API that processes customer orders. The API receives JSON payloads via HTTPS and performs short-lived operations, such as data validation, transformation, and writing to a database. The workload is very unpredictable: sometimes there are long periods of inactivity, but during flash sales the API may receive thousands of requests per second for a few minutes. The company wants a fully managed compute service that automatically scales to handle any request volume, charges only for the compute time used during execution, and requires no server provisioning or ongoing infrastructure management. Which AWS service should the company use?

Question 104mediummultiple choice

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A company is designing a cloud architecture for a critical customer-facing application. The CTO requires that the architecture automatically recover from infrastructure failures without manual intervention. The solution must be able to withstand the failure of individual components, such as an Amazon EC2 instance or an entire Availability Zone. Which design principle from the AWS Well-Architected Framework's Reliability pillar should the company implement to meet this requirement?

Question 105mediummultiple choice

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A company runs a microservices-based e-commerce application on AWS. During peak hours, the order processing service often gets overwhelmed because the web frontend sends requests directly to it. This causes delays and occasional failures. The architecture team needs to decouple the frontend from the order processing service by introducing a fully managed, highly available, and durable message queue. The queue must automatically replicate messages across multiple Availability Zones and allow the order processing service to pull messages at its own pace. Which AWS service should the company use?

Question 106mediummultiple choice

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A company is migrating its legacy Java web application to AWS. The application consists of a stateless web tier that receives HTTP traffic. The company wants to minimize operational overhead. The development team wants to simply upload a WAR file and have AWS automatically handle the deployment, capacity provisioning, load balancing, and auto-scaling based on traffic. The team does not want to manage the underlying EC2 instances or configure the load balancer manually. Which AWS service should the company use?

Question 107mediummultiple choice

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A company runs a globally distributed multiplayer game on AWS. The game uses UDP for real-time communication and requires static IP addresses that do not change for whitelisting by internet service providers. The company needs to route traffic to the nearest healthy application endpoint to minimize latency and improve performance. The solution must work with both TCP and UDP traffic and provide static IP addresses. Which AWS service should the company use?

Question 108mediummultiple choice

A company runs a data analytics workload on a cluster of Amazon EC2 instances. The application requires a shared file system that can be mounted by multiple EC2 instances simultaneously. The workload is bursty: during data processing jobs, the instances write and read large datasets, but between jobs the file system is mostly idle. The company wants a fully managed, highly available, and durable file storage solution that automatically scales capacity up and down and charges only for the storage used. The solution must be accessible from EC2 instances across multiple Availability Zones in the same AWS Region. Which AWS service should the company use?

Question 109mediummultiple choice

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A company ingests sensor data from IoT devices into an Amazon S3 bucket. The data is accessed frequently for the first 30 days, but after that, it is rarely queried. The company’s compliance policy requires all data to be retained for 7 years. The company wants to minimize storage costs by automatically moving data to more cost-effective storage classes as it ages, without any manual intervention. Which Amazon S3 feature should the company configure to meet these requirements?

Question 110mediummultiple choice

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A company runs a web application on Amazon EC2 instances that connect to a relational database. The application requires high database availability so that if the primary database instance fails, a standby instance automatically takes over without manual intervention. The company wants to minimize administrative overhead for database patching, backups, and replication. Which AWS service should the company use to meet these requirements?

Question 111mediummultiple choice

A company has a global user base that uploads images to an Amazon S3 bucket in the us-east-1 Region. Users report slow upload speeds and frequent timeouts when uploading large files from distant locations. The company wants to use the AWS global network and edge locations to accelerate uploads to the S3 bucket. The solution must require minimal infrastructure changes on the client side and must be configured at the bucket level. Which AWS feature should the company enable?

Question 112mediummultiple choice

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A fast-growing mobile game company uses a NoSQL database to store player profiles, leaderboards, and game state. The database must deliver consistent single-digit millisecond response times regardless of the number of concurrent players. The company wants a fully managed service that automatically scales throughput capacity up and down based on traffic and replicates data across multiple Availability Zones for high availability. Which AWS service should the company use?

Question 113mediummultiple choice

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A company runs a web application that processes customer orders. During flash sales, the application's backend servers become overwhelmed because orders are submitted faster than they can be processed. The company needs a fully managed, highly available service that can buffer incoming orders so that the backend can process them at its own pace without losing any data. The service must automatically scale to handle any volume of orders without requiring manual provisioning. Which AWS service meets these requirements?

Question 114mediummultiple choice

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A company runs a web application across multiple Amazon EC2 instances that are distributed across several Availability Zones. The application needs to share a common set of configuration files and static assets that must be accessible concurrently and consistently from all instances. The company wants a fully managed, scalable file storage solution that does not require provisioning or managing underlying storage hardware. Which AWS service should the company use?

Question 115mediummultiple choice

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A company is developing a microservices application using Docker containers. The development team wants to deploy and run these containers on AWS without having to provision or manage any underlying EC2 instances. Additionally, the team does not want to manage the container orchestration control plane. They need a fully serverless compute engine for containers that automatically scales based on demand. Which AWS compute option should the team use?

Question 116mediummultiple choice

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A media company runs a website that serves video content globally. Users request video previews, which require the generation of thumbnail images on-the-fly. The company wants to generate these thumbnails at AWS edge locations so that the processing occurs close to users, reducing latency and offloading the origin servers. The solution must run custom code in response to CloudFront events without provisioning any servers. Which AWS service should the company use to meet these requirements?

Question 117mediummultiple choice

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A company runs a read-heavy web application on Amazon EC2 instances that queries an Amazon RDS database. As traffic grows, the database CPU utilization is consistently high, causing slow response times for users. The company wants to reduce the load on the database by caching frequently accessed query results. They need a fully managed, in-memory caching service that can be set up quickly and integrates with common programming languages. Which AWS service should they use?

Question 118mediummultiple choice

A company runs a multi-tier web application on Amazon EC2 instances across multiple Availability Zones. The application has separate backend services for serving images and handling API requests, each running on different sets of EC2 instances. The company needs a load balancer that can inspect incoming HTTP/HTTPS requests and route them to the correct target group based on the URL path (e.g., /images to one group, /api to another). The solution must also offload SSL/TLS termination and perform health checks on the instances. Which AWS service should the company use?

Question 119mediummultiple choice

A media company streams live video to a global audience. The application runs on Application Load Balancers in two AWS Regions (us-east-1 and eu-west-1). The company's clients require the use of a fixed set of static IP addresses for firewall allowlisting. The company needs to route user traffic to the nearest healthy endpoint to minimize latency. Which AWS service should the company use?

Question 120mediummultiple choice

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A company manages a fleet of hundreds of Amazon EC2 instances running across multiple AWS Regions. The company's security policy requires that all instances be patched with the latest security updates within 7 days of release. The operations team currently logs in to each instance manually to apply patches, which is time-consuming and error-prone. The team wants to automate the patching process, track compliance across all instances, and receive reports on patch status. The solution must not require any changes to the existing application code or the use of additional third-party software. Which AWS service should the operations team use to meet these requirements?

Question 121mediummultiple choice

A company runs a web application on Amazon EC2 instances that accepts user uploads. The uploads need to be processed by a backend service that performs virus scanning and thumbnail generation. The backend processing can take up to 30 seconds per upload. Users should not experience delays when submitting their files. The company wants to decouple the web tier from the processing tier so that the web application can immediately return a response to the user while the processing happens asynchronously. The solution must be fully managed, durable, and scale automatically with demand. Which AWS service should the company use?

Question 122mediummultiple choice

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A company runs a data-intensive workload in a colocation facility and wants to establish a dedicated, private network connection to its Amazon VPC. The connection must bypass the public internet to provide consistent high throughput and low latency. The company also wants to avoid data transfer costs associated with internet-based connections. Which AWS service should the company use?

Question 123mediummultiple choice

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A company has an on-premises file server that stores large datasets. The company wants to reduce its on-premises storage footprint by moving cold data to AWS. However, users need low-latency access to frequently used files, and the applications must be able to access the data using the standard SMB protocol. The company wants to cache frequently accessed data locally on-premises for low latency, while securely storing all data in Amazon S3. Which AWS service should the company use?

Question 124mediummultiple choice

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A financial services company runs a high-frequency trading application that must process transactions with sub-millisecond latency. The application must run in the company's own data center to meet strict latency requirements, but the company wants to use the same AWS management APIs, control plane, and tools (such as AWS CloudFormation and Amazon CloudWatch) for consistency across on-premises and cloud environments. The company also needs the ability to seamlessly run Amazon EBS-backed Amazon EC2 instances locally. Which AWS service should the company use to meet these requirements?

Question 125mediummultiple choice

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A company hosts a static website on Amazon S3. Users in different geographic locations experience high latency when accessing the website. The company wants to reduce latency for all users and also minimize the number of direct requests to the S3 bucket. Which AWS service should the company use?

Question 126mediummultiple choice

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A gaming company operates a mobile game with millions of active users. The game stores player profiles and session state in a key-value database. The database must provide single-digit millisecond latency for read and write operations at any scale. The company expects traffic to grow unpredictably, and the database must scale horizontally without downtime. The company wants a fully managed, highly available solution with built-in replication across multiple Availability Zones. Which AWS service should the company use?

Question 127mediummultiple choice

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A company wants to build a serverless application that processes images uploaded to an Amazon S3 bucket. When a user uploads a new image, the application must automatically resize the image to multiple dimensions and store the resized versions in the same bucket under a different prefix. The company wants to minimize operational overhead and pay only for the compute time used. Which AWS service should be used to run the image processing code?

Question 128mediummultiple choice

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A company uses AWS Organizations to manage multiple accounts. The operations team runs hundreds of Amazon EC2 instances across these accounts for various applications. The security team requires that all EC2 instances be patched with the latest security updates within 7 days of release. Currently, the operations team manually applies patches by logging into each account and using Systems Manager Patch Manager individually. The team wants to centralize patch compliance management so that a single operations team can define patch baselines, schedule patching, and view compliance status across all accounts from a single pane of glass, without needing to switch between accounts. Which AWS service or feature should the team use to meet these requirements?

Question 129mediummultiple choice

A development team wants to deploy a containerized microservices application on AWS. The team wants to minimize operational overhead by not managing any servers or container orchestration control plane. They also want to pay only for the compute and memory resources their containers consume, without needing to provision or scale underlying infrastructure. Which AWS compute service should the team use?

Question 130mediummultiple choice

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A company runs a globally distributed web application on Amazon EC2 instances behind Network Load Balancers in two AWS Regions: us-east-1 and eu-west-1. Users around the world access the application over the internet. The company wants to improve latency for all users by directing each user to the nearest healthy application endpoint. Additionally, the company requires two static IP addresses that clients can use for firewall whitelisting and that do not change even if the underlying infrastructure changes. Which AWS service should the company use?

Question 131mediummultiple choice

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A company hosts its corporate website entirely as static content (HTML, CSS, JavaScript, images) in an Amazon S3 bucket. The website currently has no authentication requirements and is accessible to the public. The company wants to serve this content to users around the world with low latency. Additionally, the company wants to enforce HTTPS for all traffic using a custom domain name (www.example.com). The company does not want to manage SSL/TLS certificates on any servers. Which AWS service should the company use to meet these requirements?

Question 132mediummultiple choice

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A company is refactoring its monolithic e-commerce application into multiple microservices. The order-processing service must send messages to the inventory service to reserve stock. The company needs a fully managed service that can durably store these messages, handle high throughput, and allow the inventory service to poll for messages at its own pace. The company wants to avoid any message loss. Which AWS service should the company use?

Question 133mediummultiple choice

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A company operates multiple Amazon VPCs across several AWS accounts for different business units. The company also has an on-premises data center connected to AWS via AWS Direct Connect. The network team wants to simplify the connectivity between all VPCs and the on-premises network. Currently, they manage individual VPC peering connections, which is becoming complex as more VPCs are added. They need a single network hub that can scale to connect hundreds of VPCs and the on-premises network, with centralized routing management. Which AWS service should the network team use?

Question 134mediummultiple choice

A company operates an e-commerce website that sends transactional emails such as order confirmations, password reset links, and shipping updates to customers. The company expects email volume to grow significantly during promotional events. The development team wants a fully managed AWS service that can reliably send high volumes of transactional emails, provide real-time tracking of bounces and complaints, and allow integration through a simple API. The team does not want to manage any email servers. Which AWS service should the team use?

Question 135mediummultiple choice

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A company runs a web application on a fleet of Amazon EC2 instances behind an Application Load Balancer (ALB). The application serves dynamic content that changes frequently, but also serves static assets (CSS, JavaScript, images) that change rarely. The company wants to improve the overall performance and reduce the load on the EC2 instances by caching the static assets at edge locations while still routing dynamic requests to the ALB. Which combination of AWS services should the company use?

Question 136mediummultiple choice

A company runs an e-commerce application using Amazon RDS for MySQL. The database stores order and customer information. To achieve high availability, the company configures a Multi-AZ deployment. Which of the following describes a benefit of this configuration?

Question 137mediummultiple choice

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A company runs compute-intensive batch processing jobs that require high CPU performance. The workload is not memory-intensive and does not require GPU acceleration. Which Amazon EC2 instance family is the most appropriate choice?

Question 138mediummultiple choice

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A company stores compliance logs in Amazon S3. After 90 days, logs are never accessed again but must be retained for 7 years to meet regulatory requirements. Which S3 storage class provides the lowest storage cost for this long-term archival requirement?

Question 139easymultiple choice

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A media company stores frequently accessed video thumbnails in Amazon S3. The thumbnails are read multiple times every day and must be highly available and durable. Which S3 storage class is most appropriate for this workload?

Question 140easymultiple choice

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A company wants to run a MySQL database in AWS without managing database software installation, applying patches, setting up backups, or configuring replication for high availability. Which AWS service meets these requirements?

Question 141easymultiple choice

A gaming company needs a database that can handle millions of requests per second with consistent single-digit millisecond latency and automatically scales without any capacity planning. Which AWS database service meets these requirements?

Question 142easymultiple choice

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A company wants to run code that automatically resizes images whenever a new image is uploaded to an Amazon S3 bucket. The code runs for less than 60 seconds per image. The company wants to pay only for the compute time used and does not want to provision or manage any servers. Which AWS service best meets these requirements?

Question 143easymultiple choice

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A solutions architect needs to isolate an application in its own virtual network within AWS, with full control over IP address ranges, subnet definitions, route tables, and internet gateway configuration. Which AWS service provides this capability?

Question 144easymultiple choice

A company hosts a website in the US East (N. Virginia) AWS region. Users in Europe and Asia Pacific report slow page load times because content must travel long distances from the origin server. Which AWS service should the company deploy to reduce latency for global users?

Question 145easymultiple choice

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A company needs a service to translate domain names (like www.example.com) into IP addresses, check the health of their web servers, and automatically redirect traffic to a healthy backup server if the primary server fails. Which AWS service provides all of these capabilities?

Question 146mediummultiple choice

A company runs a web application where requests to /api/* should be routed to one group of EC2 instances and requests to /images/* should be routed to another group. Which AWS load balancer type supports this URL path-based routing?

Question 147mediummultiple choice

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A company runs containerised microservices using Amazon ECS. The operations team wants to stop managing EC2 instances, including patching and capacity planning for the container hosts. Which option allows them to run containers on ECS without managing servers?

Question 148easymultiple choice

A startup's development team wants to deploy their Node.js web application to AWS without learning about load balancers, auto scaling, or EC2 configuration. They want to simply upload their application code and have AWS handle everything else. Which AWS service is designed for this use case?

Question 149mediummultiple choice

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A retail company's order processing system receives large bursts of orders during flash sales. The order intake API gets overwhelmed because it directly calls a downstream processing service that is slower. The company wants to decouple the API from the processing service so orders are not lost during spikes. Which AWS service should they use?

Question 150mediummultiple choice

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A company publishes a message each time a new product is added to its catalogue. Three services need to receive this message simultaneously: an email notification service, an inventory update service, and an analytics service. Which AWS service should the company use to deliver the message to all three services at the same time?

Question 151easymultiple choice

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A company wants to monitor the CPU utilisation of their EC2 instances and automatically send an email alert when utilisation exceeds 80% for more than 5 consecutive minutes. Which AWS service provides this monitoring and alerting capability?

Question 152easymultiple choice

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A company wants to define their entire AWS infrastructure — VPCs, EC2 instances, RDS databases, and load balancers — as code in a text template so they can version-control the infrastructure, deploy it consistently across multiple environments, and recreate it reliably after deletion. Which AWS service enables this?

Question 153mediummultiple choice

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A company wants to analyse petabytes of historical sales data using standard SQL queries and connect their existing business intelligence (BI) tools to the data store. The workload is analytical (OLAP), not transactional (OLTP). Which AWS service is designed for this use case?

Question 154mediummultiple choice

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A web application queries a relational database for a product catalogue that changes infrequently but is requested thousands of times per second. Database query latency is becoming a bottleneck. Which AWS service can the company use to cache frequently accessed query results in memory and reduce database load?

Question 155mediummultiple choice

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A development team accidentally deletes important files from an Amazon S3 bucket. The company wants to protect against accidental deletions and overwrites in the future, allowing recovery of previous versions of objects. Which S3 feature should they enable?

Question 156mediummultiple choice

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A company stores log files in Amazon S3 Standard. After 30 days, the logs are rarely accessed. After 365 days, they should be archived and almost never retrieved. The company wants to automatically move objects between storage classes to minimise cost. Which S3 feature enables this automated transition?

Question 157easymultiple choice

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A company runs a database on an Amazon EC2 instance. They need block storage that persists independently from the EC2 instance — if the instance is stopped or terminated, the data must remain available. Which AWS storage service provides this?

Question 158mediummultiple choice

A company runs a web application on multiple EC2 instances across multiple Availability Zones. All instances need to access and share the same file system simultaneously to read and write shared configuration files. Which AWS storage service supports simultaneous access from multiple EC2 instances?

Question 159mediummultiple choice

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A company runs a MySQL database and wants to migrate to a cloud-native relational database that is fully managed, provides up to 5x the performance of standard MySQL, offers automated backups with point-in-time recovery, and is compatible with MySQL drivers and tools without application changes. Which AWS service meets these requirements?

Question 160mediummultiple choice

A data science team wants to build, train, and deploy machine learning models without managing the underlying server infrastructure for training and inference. Which AWS service provides a fully managed environment for the machine learning workflow?

Question 161easymultiple choice

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A company wants to automatically detect and label objects in photos uploaded by users — such as identifying if a photo contains a person, a car, or an outdoor scene — without building their own machine learning model. Which AWS service provides this pre-built computer vision capability?

Question 162mediummultiple choice

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A data analyst needs to run SQL queries directly against log files stored in Amazon S3 without loading the data into a database and without provisioning any servers. Which AWS service enables this?

Question 163mediummultiple choice

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A company needs to migrate 80 TB of on-premises data to Amazon S3. Their internet connection is 100 Mbps and transferring this much data over the internet would take months. Which AWS service allows them to migrate this data physically without relying on internet bandwidth?

Question 164mediummultiple choice

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A company wants to create RESTful APIs that serve as the front door to their backend Lambda functions and EC2 services. They need features including API key management, throttling to protect backends from overload, and usage plan enforcement. Which AWS service provides this?

Question 165mediummultiple choice

A development team uses AWS developer tools for their entire software delivery process: a Git-based code repository, automated compilation and testing, and automated deployment to EC2 instances. Which combination of AWS services provides these three capabilities?

Question 166mediummultiple choice

A company manages a fleet of hundreds of EC2 instances and needs to automate patching across all instances, run commands remotely without SSH, and store configuration parameters centrally. Which AWS service provides these operational management capabilities?

Question 167mediummultiple choice

A company collects clickstream data from millions of users in real time and needs to process and analyse this data as it arrives — not after storing it — to detect patterns within seconds. Which AWS service is designed for real-time data streaming and processing?

Question 168mediummultiple choice

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A company runs a multi-step order fulfilment process that includes payment verification, inventory check, warehouse notification, and shipping label generation. Each step is implemented as a Lambda function. They need a service to coordinate these steps, handle retries on failure, and visualise workflow state. Which AWS service should they use?

Question 169mediummultiple choice

A company wants an automated tool that analyses their AWS account and provides recommendations across five categories: cost optimisation, performance, security, fault tolerance, and service limits. Which AWS service provides this analysis?

Question 170mediummultiple choice

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A company's application experiences traffic spikes every weekday morning when employees arrive at work. During off-hours, very few users are active. Which AWS feature automatically adjusts the number of EC2 instances based on demand, adding instances during peak hours and removing them during quiet periods?

Question 171mediummultiple choice

A company launches EC2 instances in a public subnet of their VPC. For these instances to communicate directly with the internet — both to receive inbound requests and to make outbound requests — which VPC component must be attached to the VPC and referenced in the subnet's route table?

Question 172mediummultiple choice

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A company runs database servers in private subnets with no direct internet access for security. However, these servers need to download OS updates from the internet. Which VPC component allows the private instances to make outbound internet connections while remaining unreachable from the internet?

Question 173mediummultiple choice

A company has two separate VPCs — one for development workloads and one for a shared services environment — and wants EC2 instances in both VPCs to communicate with each other using private IP addresses without traffic traversing the public internet. Which AWS feature enables this?

Question 174mediummultiple choice

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A financial institution needs a private, dedicated, high-bandwidth network connection from their on-premises data centre to AWS that does not traverse the public internet, provides consistent low latency, and supports up to 100 Gbps bandwidth. Which AWS service provides this?

Question 175mediummultiple choice

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A company wants to test a new version of their application by sending 10% of user traffic to the new version and 90% to the existing version, gradually increasing traffic to the new version as confidence grows. Which Amazon Route 53 routing policy supports this?

Question 176easymultiple choice

A company runs multiple EC2 instances across several applications and wants to centralise all application log files in one place for searching, analysis, and long-term retention. Which AWS service provides centralised log storage and querying?

Question 177mediummultiple choice

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A company's microservices application consists of 10 services. When a user request is slow, the development team cannot determine which service in the chain is the bottleneck. Which AWS service provides distributed tracing so they can see the full path of a request and identify the slow component?

Question 178easymultiple choice

A development team builds Docker container images as part of their CI/CD pipeline and needs a managed, private registry to store and version these images, integrated with Amazon ECS and EKS for deployment. Which AWS service provides this container image registry?

Question 179mediummultiple choice

A data engineering team processes petabytes of raw log data using Apache Spark and Hadoop frameworks. They need a managed AWS service that provisions the cluster, installs the big data frameworks, and terminates the cluster after the job completes to minimise cost. Which service should they use?

Question 180easymultiple choice

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A company wants to create interactive dashboards and charts from data stored in Amazon S3, Amazon RDS, and Amazon Redshift, sharing them with business users across the organisation without managing BI server infrastructure. Which AWS service provides cloud-native business intelligence?

Question 181mediummultiple choice

A company wants to centralise backup management for all their AWS resources — EC2, EBS, RDS, DynamoDB, and EFS — under a single policy, automate backup schedules, and ensure cross-region backup copies for disaster recovery. Which AWS service provides this?

Question 182easymultiple choice

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A company wants to provide employees with secure, managed virtual Windows or Linux desktops accessible from any device, without purchasing physical computers or managing on-premises VDI infrastructure. Which AWS service provides cloud-based virtual desktops?

Question 183easymultiple choice

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A small business owner wants to host a simple WordPress website on AWS with a predictable flat monthly price, without learning about VPCs, security groups, instance types, or other AWS complexity. Which AWS service is designed for this simplified use case?

Question 184mediummultiple choice

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A company has workloads that must remain on-premises due to data residency regulations but want to use the same AWS APIs, tools, and services they use in the cloud — including EC2, RDS, and S3 — on their on-premises hardware. Which AWS service enables this?

Question 185mediummultiple choice

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A data team needs to extract data from S3 and RDS, transform it (clean, enrich, join), and load it into Amazon Redshift for analytics. They want a serverless service that discovers and catalogues data schemas automatically and runs the ETL jobs without provisioning servers. Which AWS service provides this?

Question 186easymultiple choice

A company wants to set up a cloud-based customer service contact centre with an interactive voice response (IVR) system, agent call routing, and the ability to scale to thousands of agents without purchasing phone hardware or PBX equipment. Which AWS service provides this?

Question 187mediummultiple choice

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A company wants to deploy a static website with global low-latency delivery and automatic SSL/TLS certificates. Which combination of AWS services best satisfies both requirements?

Question 188easymultiple choice

Which AWS service provides a fully managed NoSQL database designed for single-digit millisecond performance at any scale?

Question 189mediummultiple choice

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A company needs a managed message queue service that guarantees each message is delivered at least once and supports unlimited message retention. Which AWS service should they use?

Question 190easymultiple choice

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Which AWS service is used to send emails, SMS messages, and push notifications to subscribers in a publish/subscribe pattern?

Question 191mediummultiple choice

A developer wants to run code in response to an S3 object upload without managing any servers. The code runs for less than 5 minutes. Which AWS service is most appropriate?

Question 192easymultiple choice

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Which AWS database service is best suited for storing and querying data with complex relationships using structured query language?

Question 193mediummultiple choice

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A retail company wants to implement a recommendation engine based on customer purchase history. Which AWS service is designed to provide ML-based personalized recommendations with no ML experience required?

Question 194easymultiple choice

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Which AWS service provides managed Elasticsearch (OpenSearch) clusters for log analytics and full-text search?

Question 195mediummultiple choice

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A company needs to transfer petabytes of data from an on-premises data center to Amazon S3. The network connection is too slow for online transfer and the data must arrive within two weeks. Which AWS service is most appropriate?

Question 196easymultiple choice

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Which AWS service allows you to build, train, and deploy machine learning models at scale?

Question 197mediummultiple choice

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Which AWS service provides a managed graph database for use cases like social networks, recommendation engines, and fraud detection?

Question 198easymultiple choice

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A company wants to use machine learning to automatically identify objects, scenes, and activities in images uploaded by users. Which AWS service should they use?

Question 199mediummultiple choice

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Which AWS service enables developers to add user sign-up, sign-in, and access control to web and mobile applications quickly?

Question 200easymultiple choice

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Which AWS service is a fully managed data warehousing service optimized for online analytical processing (OLAP) of large datasets?

Question 201mediummultiple choice

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A company wants to run containerized applications without managing the underlying EC2 instances or clusters. Which AWS service enables this?

Question 202easymultiple choice

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Which AWS service provides a managed in-memory caching layer to reduce database load and improve application response times?

Question 203mediummultiple choice

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A media company stores video files in Amazon S3 and needs to transcode them into multiple formats for different devices. Which AWS service is purpose-built for this workflow?

Question 204easymultiple choice

Which AWS service provides a domain name system (DNS) that routes end-user requests to AWS infrastructure and external resources?

Question 205mediummultiple choice

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A company runs an application with variable workloads. During business hours, they need 10 EC2 instances; overnight they only need 2. Which combination minimizes cost while meeting this requirement?

Question 206easymultiple choice

Which AWS service enables you to run relational database workloads with up to 5x the throughput of standard MySQL and 3x the throughput of standard PostgreSQL at a lower price point than commercial databases?

Question 207mediummultiple choice

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A company needs to synchronize data in real time between its on-premises Oracle database and an Amazon RDS MySQL instance during a migration. Which AWS service handles ongoing data replication between heterogeneous databases?

Question 208easymultiple choice

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Which Amazon S3 storage class is most cost-effective for data that is accessed frequently?

Question 209mediummultiple choice

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A company archives compliance records that must be retained for 7 years but will almost never be accessed. They need the absolute lowest storage cost with retrieval times of several hours being acceptable. Which S3 storage class should they use?

Question 210mediummultiple choice

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Which AWS service automatically moves S3 objects between storage classes based on access patterns without requiring upfront knowledge of how frequently data will be accessed?

Question 211mediummultiple choice

A company wants to deploy a web application and have AWS handle the infrastructure, OS, and runtime — they only want to manage the application code and configuration. Which AWS service provides this experience?

Question 212easymultiple choice

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Which AWS service provides a serverless, fully managed Apache Kafka-compatible data streaming service?

Question 213mediummultiple choice

A company wants to improve the performance of their global application by caching API responses closer to end users. Which AWS service provides an API proxy with built-in caching and CloudFront integration?

Question 214easymultiple choice

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Which AWS service provides a fully managed workflow orchestration service that coordinates multiple AWS services into serverless workflows using visual state machines?

Question 215mediummultiple choice

Which AWS service provides a fully managed environment to run Apache Spark, Hadoop, and other big data frameworks for data processing and analytics?

Question 216easymultiple choice

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A company uses several AWS services and wants to create a unified monitoring dashboard to track metrics and set alarms. Which AWS service provides this capability?

Question 217mediummultiple choice

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Which AWS service provides a fully managed extract, transform, and load (ETL) service that automatically discovers data schemas and generates ETL code?

Question 218easymultiple choice

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A company needs to provide business users with self-service business intelligence dashboards and visualizations of data from multiple AWS data sources. Which AWS service enables this?

Question 219mediummultiple choice

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Which AWS service provides a fully managed virtual desktop infrastructure (VDI) that allows users to access Windows or Linux desktops from any device?

Question 220easymultiple choice

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A developer wants to send real-time notifications to mobile app users when new content is available. Which AWS service enables push notifications to iOS and Android devices?

Question 221mediummultiple choice

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Which AWS service provides a fully managed message broker supporting ActiveMQ and RabbitMQ protocols for migrating on-premises messaging systems to the cloud?

Question 222easymultiple choice

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Which AWS service provides a low-code platform for building mobile and web applications with built-in backend features including authentication, storage, and APIs?

Question 223mediummultiple choice

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A company needs to implement a disaster recovery strategy where data is continuously replicated to AWS but AWS compute resources are only started during a declared disaster. Which DR strategy does this describe?

Question 224easymultiple choice

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Which AWS service provides a managed Kubernetes service that removes the overhead of installing, operating, and maintaining a Kubernetes control plane?

Question 225mediummultiple choice

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A company wants to create a hybrid cloud architecture where their on-premises applications can access AWS services as if they were running locally. Which AWS service extends AWS infrastructure and services to on-premises locations?

Question 226mediummultiple choice

Which AWS service provides a fully managed API for building conversational interfaces (chatbots) using natural language understanding powered by the same technology as Amazon Alexa?

Question 227easymultiple choice

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A company needs to convert text documents into natural-sounding speech in multiple languages for an audiobook application. Which AWS service provides this capability?

Question 228mediummultiple choice

A healthcare company needs to extract structured medical data from clinical notes and medical documents. Which AWS service provides ML-powered extraction of medical information from unstructured text?

Question 229easymultiple choice

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Which AWS service enables real-time translation of text between languages for applications serving a global audience?

Question 230mediummultiple choice

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A company wants to deploy AWS services in a specific geographic location within a metropolitan area to reduce latency for end users in that city, while still using standard AWS APIs. Which AWS infrastructure type addresses this?

Question 231easymultiple choice

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Which AWS storage service is designed for shared file storage accessible simultaneously by multiple EC2 instances using the NFS protocol?

Question 232mediummultiple choice

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A company needs to integrate their on-premises Active Directory with AWS to enable SSO for employees accessing AWS services. Which AWS service provides this federation capability?

Question 233mediummultiple choice

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Which AWS service provides a private connection from an on-premises network to AWS that bypasses the public internet and provides consistent network performance?

Question 234mediummultiple choice

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A company needs to connect multiple VPCs and on-premises networks through a single hub, simplifying network management. Which AWS service acts as a cloud router to interconnect these networks?

Question 235easymultiple choice

Which Amazon EC2 instance family is optimized for memory-intensive workloads such as in-memory databases, real-time big data analytics, and high-performance computing?

Question 236mediummultiple choice

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A company is running their application on EC2 instances behind an Application Load Balancer. They want to ensure the application remains available during an AZ outage. What is the minimum architecture configuration required?

Question 237easymultiple choice

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Which type of Elastic Load Balancer routes HTTP/HTTPS traffic based on content such as URL path, hostname, and HTTP headers, enabling advanced request routing rules?

Question 238mediummultiple choice

A company wants to store frequently changing configuration data and feature flags that their applications need to read at runtime without hard-coding values. Which AWS service provides secure, centralized configuration storage with version history?

Question 239mediummultiple choice

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Which AWS service enables event-driven architectures by acting as a central event bus that routes events from AWS services, SaaS applications, and custom applications to configured targets?

Question 240easymultiple choice

A company needs to implement DevOps practices and wants a fully managed service to store their application source code with version control. Which AWS service provides managed Git repositories?

Question 241mediummultiple choice

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Which AWS service provides a continuous integration/continuous deployment (CI/CD) pipeline that automates the build, test, and deploy phases of application release?

Question 242mediummultiple choice

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A company wants to implement a hub-and-spoke network architecture where multiple VPCs can communicate with a shared services VPC (containing DNS, monitoring, and security tools) but not with each other. Which AWS networking feature enables this?

Question 243easymultiple choice

Which AWS service provides private connectivity between VPCs and supported AWS services without requiring internet gateway, NAT device, VPN, or Direct Connect?

Question 244mediummultiple choice

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A company's application needs to process streaming data from IoT sensors in real time and store processed results in S3. Which AWS service is designed for ingesting and processing real-time streaming data?

Question 245easymultiple choice

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Which AWS service provides a fully managed content delivery network (CDN) that caches content at global edge locations to reduce latency for end users?

Question 246mediummultiple choice

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A company needs a relational database that automatically scales storage, replicates data across multiple AZs, and can failover automatically without manual intervention. Which AWS service provides these capabilities?

Question 247mediummultiple choice

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A company wants to implement a serverless web application with no server management. They need a database that scales automatically without managing cluster capacity. Which combination best supports this?

Question 248easymultiple choice

Which AWS service provides a managed Apache Kafka streaming service without requiring customers to provision, configure, or manage Kafka clusters?

Question 249mediummultiple choice

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A company is building a data lake on AWS. Which AWS service provides a serverless interactive query service that allows analysts to query data stored in Amazon S3 using standard SQL?

Question 250easymultiple choice

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Which AWS compute service is best suited for running batch processing jobs that require specific compute resources and can run for hours or days without user interaction?

Question 251mediummultiple choice

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A company wants to ensure their containerized microservices can discover each other by name without hard-coding IP addresses. Which AWS service provides DNS-based service discovery for ECS and EKS?

Question 252easymultiple choice

Which Amazon S3 feature protects against accidental deletion by maintaining multiple versions of every object in a bucket?

Question 253mediummultiple choice

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A company needs to run scheduled jobs that execute SQL queries on their Amazon RDS database every night. Which AWS service provides fully managed job scheduling without maintaining dedicated compute resources?

Question 254easymultiple choice

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Which AWS service provides managed Microsoft Windows file storage that supports SMB protocol, Active Directory integration, and Windows ACL permissions?

Question 255mediummultiple choice

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A company wants to centralize backup management across multiple AWS services (EC2, RDS, EFS, DynamoDB) from a single place. Which AWS service provides centralized backup management with policy-based scheduling?

Question 256mediummultiple choice

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A company wants to accelerate their machine learning workloads using purpose-built ML chips instead of general-purpose GPUs. Which AWS compute option provides custom ML accelerator chips?

Question 257easymultiple choice

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Which AWS service provides a private, dedicated network connection between an organization's on-premises environment and AWS through a colocation facility or telecommunications partner?

Question 258mediummultiple choice

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A SaaS company wants to expose their service to AWS customers through the AWS Marketplace and allow customers to access it privately without traversing the public internet. Which technology enables this?

Question 259easymultiple choice

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Which AWS service provides a fully managed environment for creating, maintaining, and documenting APIs using REST, HTTP, and WebSocket protocols?

Question 260mediummultiple choice

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A company stores customer health records in an application database and needs a HIPAA-eligible AWS service for the database tier. Which relational database option on AWS is eligible for HIPAA workloads?

Question 261mediummultiple choice

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A company runs a fleet of 100 EC2 instances and needs to remotely execute commands, apply patches, and collect inventory data across all instances without opening SSH ports. Which AWS service enables this?

Question 262easymultiple choice

Which Amazon EC2 pricing option allows customers to bid for unused EC2 capacity with potential savings of up to 90%, while accepting that instances may be interrupted?

Question 263mediummultiple choice

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A company wants to migrate their on-premises VMware virtual machines to Amazon EC2. Which AWS service simplifies this lift-and-shift migration?

Question 264mediummultiple choice

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A gaming company needs ultra-low latency access to AWS compute for their mobile game players at 5G network edges. Which AWS infrastructure extension enables this?

Question 265easymultiple choice

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Which AWS service provides a landing zone and automated multi-account setup with pre-configured security baselines and guardrails for AWS Organizations?

Question 266mediummultiple choice

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A company's application receives images from users and needs to detect and blur any credit card numbers visible in the images for compliance. Which AWS AI service provides document text extraction from images?

Question 267easymultiple choice

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Which AWS service provides a fully managed, scalable search service that allows you to set up, manage, and scale a search solution for your website or application?

Question 268mediummultiple choice

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A company wants to automatically detect anomalies in their application metrics, such as unusual spikes in error rates, without manually setting thresholds. Which AWS service provides ML-powered anomaly detection for CloudWatch metrics?

Question 269easymultiple choice

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Which AWS service enables automatic speech recognition (ASR) to convert audio from customer service calls into text for further analysis?

Question 270mediummultiple choice

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A company wants to provide a virtual contact center for their customer service operations without managing any telephony infrastructure. Which AWS service enables this?

Question 271mediummultiple choice

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A company needs to monitor their application's performance and identify bottlenecks by tracing requests as they travel through multiple AWS services and microservices. Which AWS service provides distributed tracing?

Question 272mediummultiple choice

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A retail company expects 10x normal traffic during Black Friday. They want to ensure their application can handle this peak load automatically. Which AWS services should they configure to handle this requirement?

Question 273easymultiple choice

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Which AWS storage type provides the lowest latency storage for a single EC2 instance, with data stored on NVMe SSDs physically attached to the host computer?

Question 274mediummultiple choice

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A company wants to use Amazon S3 to store objects that must not be deleted or overwritten for a specified period for regulatory compliance. Which S3 feature enforces this?

Question 275easymultiple choice

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A company uses Amazon CloudFront to serve their website globally. They want to ensure that users in China can also access the website with low latency. What infrastructure consideration is required?

Question 276mediummultiple choice

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A company wants to automate the creation and management of machine learning models without writing code. Which AWS service provides a no-code ML model building interface?

Question 277easymultiple choice

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Which AWS service enables sending promotional and transactional email at scale, such as marketing newsletters and order confirmations?

Question 278mediummultiple choice

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A company needs to synchronize files between their on-premises file server and Amazon S3 on a recurring schedule, detecting and copying only the changed files. Which AWS service is designed for this use case?

Question 279easymultiple choice

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Which AWS service provides a hybrid cloud storage solution that allows on-premises applications to seamlessly access data stored in AWS cloud storage using standard file protocols?

Question 280mediummultiple choice

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A company needs to generate a pre-signed URL to allow a business partner to download a specific S3 object for 24 hours without requiring AWS credentials. Which S3 feature enables this?

Question 281mediummultiple choice

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A company processes millions of customer records and needs to query data in Amazon S3 without loading it into a database. The data is stored in Parquet format. Which AWS service enables this with no infrastructure to manage?

Question 282mediummulti select

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A company needs to generate detailed AWS billing reports segmented by department. Each department uses distinct AWS accounts under an AWS Organization. Which two mechanisms work together to provide department-level cost allocation?

Question 283easymultiple choice

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Which AWS service makes it easy for developers to create, publish, and manage APIs that act as the front door for applications to access backend services?

Question 284mediummultiple choice

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A startup wants to deploy their web application to AWS with minimal configuration. They want AWS to handle provisioning, load balancing, scaling, and health monitoring automatically. Which service is most appropriate?

Question 285mediummultiple choice

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Which AWS service provides a managed blockchain network using open-source frameworks like Hyperledger Fabric and Ethereum?

Question 286easymultiple choice

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Which AWS service provides an immutable, cryptographically verifiable transaction log for tracking the complete history of changes to application data?

Question 287mediummultiple choice

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A company needs a managed service to forecast product demand using machine learning, helping them optimize inventory levels without building a custom ML model. Which AWS AI service provides ready-to-use time-series forecasting?

Question 288easymultiple choice

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Which AWS service is used to register domain names and route DNS queries for domain names like 'example.com'?

Question 289mediummultiple choice

A company wants to provision and manage SSL/TLS certificates for their AWS resources without paying for certificates or manually handling renewals. Which AWS service provides this?

Question 290mediummultiple choice

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A company stores large amounts of data in Amazon S3 and wants to query it using standard SQL without loading it into a database. They need queries to complete in seconds. Which query optimization technique should they apply?

Question 291easymultiple choice

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Which AWS service provides a desktop development environment in the cloud with a browser-based code editor and computing resources, requiring no local installation?

Question 292mediummultiple choice

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A company wants to use Amazon S3 as their data lake but needs a way to track, search, and govern all datasets across multiple S3 buckets. Which AWS service provides centralized data catalog management?

Question 293mediummultiple choice

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A company is adopting microservices and wants to enable their services to communicate securely and track network traffic between them. Which AWS service provides service mesh capabilities with mutual TLS and observability?

Question 294easymultiple choice

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Which Amazon EC2 Auto Scaling feature ensures a minimum number of healthy instances are always running, replacing terminated instances automatically?

Question 295mediummultiple choice

A financial services company needs to maintain a tamper-proof audit log of all financial transactions for regulatory compliance. Which AWS service is most appropriate?

Question 296mediummultiple choice

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A company needs to manage multiple Kubernetes clusters across different AWS Regions and on-premises environments from a single control plane. Which AWS service provides this?

Question 297mediummultiple choice

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A company wants to accelerate their machine learning workflows by using pre-trained foundation models for tasks like text generation and image creation without training models from scratch. Which AWS service provides access to pre-trained foundation models via API?

Question 298mediummultiple choice

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A company needs to process and analyze streaming log data from thousands of servers in near real-time, loading the results into Amazon Redshift for dashboards. Which AWS service is designed for this streaming ETL delivery use case?

Question 299easymultiple choice

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Which AWS service provides a simple way to deploy, manage, and scale containerized applications without requiring Kubernetes or deep container expertise?

Question 300mediummultiple choice

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A company uses AWS and wants to make their application fault tolerant against the failure of an entire AWS Region. Which approach achieves Region-level fault tolerance?

Question 301easymultiple choice

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Which AWS service provides a managed customer relationship management (CRM) platform for sales and customer service teams?

Question 302mediummultiple choice

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A company wants to improve the resilience of their Amazon RDS database by ensuring that read traffic is distributed across multiple copies of the database and that a replica can be promoted if the primary fails. Which RDS feature enables this?

Question 303mediummultiple choice

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Which AWS service enables no-code integration between SaaS applications (like Salesforce, ServiceNow, Zendesk) and AWS services for automated data flows?

Question 304easymultiple choice

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A company needs to verify the identity of users who call into their contact center by comparing their voice against a stored voiceprint. Which AWS service provides speaker identification from voice data?

Question 305mediummultiple choice

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Which AWS service provides quantum computing hardware as a cloud service, enabling researchers to run algorithms on actual quantum processors?

Question 306easymultiple choice

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Which Amazon RDS feature enables automatic scaling of database storage capacity without any downtime when storage is running low?

Question 307mediummultiple choice

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A company stores genomics data (several petabytes) on Amazon S3. They need to run complex analytics on this data using standard bioinformatics tools that require a POSIX file system interface. Which AWS solution provides this?

Question 308mediummultiple choice

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A company wants to allow their on-premises employees to access S3 objects using Windows file system operations (drive mapping) without migrating their workflows. Which AWS service provides this capability?

Question 309mediummultiple choice

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A company is deploying a multi-tier application on AWS. Which AWS service provides layer 4 (TCP/UDP) load balancing with ultra-high performance and static IP addresses?

Question 310mediummultiple choice

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A company's data scientists want a managed environment for collaborative Jupyter notebooks connected to their AWS data sources and compute without managing infrastructure. Which AWS service provides this?

Question 311mediummultiple choice

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A company wants to provide their data analysts with a way to run SQL queries on their S3 data lake using familiar BI tools like Tableau or Power BI. Which AWS service provides an ODBC/JDBC connection to S3 data?

Question 312easymultiple choice

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Which AWS service enables you to create a private, isolated network within the AWS Cloud where you can define your own IP address range, subnets, and routing?

Question 313mediummultiple choice

A company wants to protect their web application from common Layer 7 attacks and also implement rate limiting to prevent API abuse. Which AWS service provides both capabilities?

Question 314mediummultiple choice

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A company needs to replicate their Amazon S3 data to a different AWS Region automatically to meet disaster recovery requirements. Which S3 feature enables this?

Question 315easymultiple choice

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Which Amazon EC2 instance type provides the best performance for a relational database that requires very high IOPS with consistent sub-millisecond storage latency?

Question 316mediummultiple choice

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A company needs to ensure their containerized applications pass security scans for known vulnerabilities before being deployed to production. Which AWS service scans container images for CVEs?

Question 317easymultiple choice

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Which AWS service provides a serverless, fully managed Apache Spark processing engine for big data analytics without managing clusters?

Question 318mediummultiple choice

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A company needs to provide secure, scalable file storage for thousands of concurrent users accessing the same shared file system from Linux-based EC2 instances. Which AWS service is most appropriate?

Question 319easymultiple choice

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Which AWS compute service allows developers to run code in response to HTTP requests without managing servers, using a simple programming model based on functions?

Question 320mediummultiple choice

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A company runs a high-traffic e-commerce application. During peak holiday season, database read performance degrades. They want to offload read traffic from their RDS primary database. What should they implement?

Question 321mediummultiple choice

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A company wants to deploy their application globally and needs AWS to automatically route users to the nearest healthy application endpoint with improved network performance. Which AWS service uses the AWS global network backbone for routing optimization?

Question 322mediummultiple choice

A company wants to use AWS for disaster recovery but wants to minimize costs. They only need backups of their data, with recovery taking several hours if disaster strikes. Which DR strategy requires the least investment?

Question 323easymultiple choice

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Which Amazon S3 feature allows you to automatically delete objects after a specified number of days to reduce storage costs?

Question 324mediummultiple choice

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A retail company wants to provide personalized product recommendations on their homepage using machine learning. Which AWS service delivers this without requiring any ML expertise or model training?

Question 325mediummultiple choice

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A company needs a managed workflow service to coordinate long-running business processes that may require human approval steps and can run for up to one year. Which AWS service handles this?

Question 326easymultiple choice

Which AWS service enables you to run containerized applications without managing the underlying servers?

Question 327mediummultiple choice

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A company needs to send transactional emails such as order confirmations and password resets at scale. Which AWS service should they use?

Question 328mediummultiple choice

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Which AWS storage class is optimized for long-term archival where data is rarely accessed and retrieval time of several hours is acceptable?

Question 329easymultiple choice

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Which AWS service provides a fully managed NoSQL database with single-digit millisecond latency at any scale?

Question 330mediummultiple choice

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Which AWS service allows you to create a private network connection between your on-premises data center and AWS without using the public internet?

Question 331mediummultiple choice

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A developer wants to build a serverless application that responds to HTTP requests. Which combination of AWS services would be most appropriate?

Question 332hardmultiple choice

Which AWS service provides a petabyte-scale data transfer solution for moving large amounts of data into AWS when network transfer is not feasible?

Question 333easymultiple choice

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Which AWS service is used to distribute incoming application traffic across multiple EC2 instances to improve availability and fault tolerance?

Question 334mediummultiple choice